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Identification key to the Noctuinae
occurring in the Dakotas
Below are four possibilities: A, B, C and
D. Compare your moth to each successive choice. These choices are
not always mutually exclusive, proceed to 'B' only if your
specimen does not fit 'A', likewise for B, C, and D.
A.
Vertex and ptagiae dark, contrasting with
lighter tegulae.
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B.
Labial palpus with third segment long, smooth
scaled and untufted.
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C. Ptagia
with transverse stripes.
Third segment of labial
palpus tufted.
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D. Vertex, ptagiae and tegulae concolorous.* Third segment
of labial palpus tufted.
*Vertex occasionally slightly paler than ptagiae and tegulae. |
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